[gcc(refs/users/ppalka/heads/libstdcxx-constrained-algos)] Daily bump.

[Patrick Palka]

https://gcc.gnu.org/g:2df76cd6895f9cf0efee4d8bc50258899ba7c293

commit 2df76cd6895f9cf0efee4d8bc50258899ba7c293
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Tue Jan 21 00:16:31 2020 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 74a2a4f..6de2f45 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20200120
+20200121